Answer / k.g.jeengar

The neutral works as a return path for the current flowing
through any equipment.In single phase system it is
necessary to close the circuit through neutral wire.

Answer / rvd.chakkara

For return path, as well as for single phase supply.

Answer / guest

in electrical system we wil use neutral for eliminating
faults and short cicuits

What is use of 3phase instead of single phase?

12 Answers   DCM, L&T,

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Equal resistance of 100ohm each are connected to the arms of whestons bridge, which is supplied by 2v battery. The galvanometer can sense a current low as 1microAmp. What is the smallest resistance that can be measered.

1 Answers   GATE,

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How to Select transformer for 100HP motor plz... With calculation

2 Answers   Rasandik,

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how is working bearing heater?

0 Answers   ONGC,

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which calss ct's,pt', use protection,meatering and others

1 Answers  

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what could be the possible reasons for copper cable to have low insualation?

1 Answers  

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what is the ideal earth resistance

11 Answers   Amit Enterprises, Enercon,

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what is relay what is protection & contact multiplying relays where it is used function in brief

0 Answers  

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5MVA TRANSFORMER SUDDENLY FAIL WITH THE PRV TRIPPING AND LARGE AMOUNT OF OIL SPREAD OUT? SO IT CAME BACK WITH THE REPAIRING WITH REASON THAT IT FAILS BCOZ OF TRANSIENT EFFECT? SO PLZ EXPLAIN HOW DOES IT HAPPENED?

1 Answers  

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In Aeroplane what circuitry or method use for earthing?

9 Answers   Bhel, EDA, Wind World,

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What are types of HT Motors.

1 Answers  

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Sir,In our company there are 3 caterpillar make(capacity:(1) 3.3KV,2.5MW(2)3.3KV,2.5MW & (3)3.3KV,1.9MW) & 1 deutz make (capacity:11KV,3.8MW)gas engines utilised,all are running in paralell. There are three transformer utilised,(1) 6.25MVA,3.3KV/22KV,Impedence voltage:6.7% used for two generator,both are 2.5MW(2)5.5MVA,3.3KV/22KV,Impedence voltage:7.2% used for one generator of 2.5MW & (3) 5.5MVA,11KV/22KV,Impedence voltage:7.8% used for one generator of 2.5MW.all generator breakers capacity of 1250Amps. Sir,I want the details of fault level calculation of generator,transformer individually & for whole system. If you require any information from me.feel free for contact me sir.pl.send the answer of my question as the earliest as possible.

0 Answers   Piramal Healthcare,

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